Recent czechoslovakian work on figure legibility, color standards and road sign standardization
Recent czechoslovakian work on figure legibility, color standards and road sign standardization.
1965-06-01
Miscellaneous
No indication
English
British Library Conference Proceedings | 2005
|Czechoslovakian state railways electrification
Engineering Index Backfile | 1926
|Legibility and Public Road Signs
Springer Verlag | 2010
|Legibility of Traffic Sign Text and Symbols
Online Contents | 1999
|Legibility of Traffic Sign Text and Symbols
Online Contents | 1999
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